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Copper coupling with rolled tube stop, 4 inch size

Nibco, Inc.

Nibco, Inc. 600-RS Wrot Copper Coupling With Rolled Tube Stop 4

SKU CH-CGE4-AAHRJ

Wrot copper coupling with rolled tube stop for 4 in tube, rated 293 psi at 100°F and -20°F to 400°F range

  • Product typePlumbing & Pipe Fittings
  • Reliable leak-free joints from wrot copper construction
  • Secure tube alignment with built-in rolled stop
  • Handles 293 psi at 100 degrees Fahrenheit
  • Operates from -20 to 400 degrees Fahrenheit
  • Meets ASME/ANSI B 16.22 plumbing standards

Four-Inch Copper Coupling

The Nibco 600-RS is a wrot copper coupling designed to join two 4-inch tubes in plumbing systems. Its rolled tube stop centres each pipe automatically during assembly, helping installers achieve consistent insertion depth without measuring.

Pressure and Temperature Behaviour

Rated for 293 psi at 100 degrees F, the fitting maintains its seal across a continuous range from -20 to 400 degrees F. Copper construction resists thermal cycling and vibration, so performance remains steady in hot-water, steam or chilled-water circuits under sustained load.

ASME B16.22 Standard Limits

Manufactured to ASME/ANSI B 16.22, the coupling conforms to the dimensional and pressure-class requirements for wrot copper solder-joint fittings. The standard defines the maximum pressure-temperature envelope, so the fitting cannot be used beyond 293 psi at 100 degrees F or outside the stated temperature range without violating the code.

How it compares

Measured against everything we stock in Hose Fittings, Adapters & Clamps, at today’s prices. Recalculated every night.

Price $43.99
Pricier than about 79% of the 2,955 comparable items (median $17.99).

Specifications

Product
Brand nameNibco
Product typePlumbing & Pipe Fittings

Questions about this item

How much pressure can the 4-inch wrot copper coupling handle at 100°F during continuous service?

The coupling is rated for a maximum pressure of 293 psi at 100 degrees Fahrenheit, making it suitable for standard plumbing system pressures under normal operating temperatures.

What tools and materials are required to install this C x C copper coupling?

You will need 4-inch copper tubing, flux, lead-free solder, a propane or MAPP gas torch, emery cloth or a fitting brush, and a pipe cutter or hacksaw to prepare the tube ends for a sweat connection.

Will this 4-inch coupling fit older copper pipe measured by outside diameter?

Yes, the coupling accepts 4-inch nominal tube which has a 4-1/8 inch outside diameter, matching the standard sizing used in copper plumbing systems for decades.

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